Solutions by everydaycalculation.com
512 - 212 is 14.
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Related: 10/12-2/12 5/12-4/12 5/24-2/12 5/12-2/24 15/12-2/12 5/12-6/12 5/36-2/12 5/12-2/36 25/12-2/12 5/12-10/12 5/60-2/12 5/12-2/60 35/12-2/12 5/12-14/12 5/84-2/12 5/12-2/84
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